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The GCF of 663 and 639 is 3.
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Find HCF of: 1326 & 1278 1989 & 1917 221 & 213 3315 & 3195 4641 & 4473 1326 & 639 663 & 1278 1989 & 639 663 & 1917 3315 & 639 663 & 3195 4641 & 639 663 & 4473
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
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